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StoneBridge Acquisition II Corp

APACU
Exchange
Nasdaq
Industry
Blank Checks
SEC CIK
0002043630

No open-market purchases or sales by StoneBridge Acquisition II Corp insiders were filed in the last 90 days; 7 institutions reported holding it in 13F filings for Q2 2026, worth $3.36M in total; no superinvestor holds it.

Other share classesAPACAPACR

13F holders, Q3 2025

Institutional positions in StoneBridge Acquisition II Corp as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
32
+32 vs. Q2 2025
Shares held
5.34M
+5.34M vs. Q2 2025
Total value
$53.3M
+$53.3M vs. Q2 2025
New holders
32
0 more added
Sold out
0
0 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting APACU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 32 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 0 institutionsQ2 2025: 0 institutionsQ3 2025: 32 institutionsQ4 2025: 11 institutionsQ1 2026: 6 institutionsQ2 2026: 7 institutions
Value heldQ3 2025: $53.3M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $0Q2 2025: $0Q3 2025: $53.3MQ4 2025: $12.2MQ1 2026: $3.14MQ2 2026: $3.36M
Institutions holding APACU and their total value by quarter
QuarterHoldersValue
Q2 20267$3.36M
Q1 20266$3.14M
Q4 202511$12.2M
Q3 202532$53.3M
Q2 20250$0
Q1 20250$0
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding StoneBridge Acquisition II Corp; share changes are against Q2 2025.

Institutions holding APACU in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Rivernorth Capital Management, LLC495,000$4.94M0.28%+495,000New
Glazer Capital, LLC400,000$3.99M0.13%+400,000New
Decagon Asset Management LLP396,557$3.95M2.09%+396,557New
CNH Partners LLC375,000$3.74M0.10%+375,000New
Shaolin Capital Management LLC370,000$3.69M0.18%+370,000New
Highbridge Capital Management LLC365,000$3.64M0.18%+365,000New
Meteora Capital, LLC330,499$3.30M0.35%+330,499New
Clear Street Group Inc.204,188$2.04M0.01%+204,188New
Aristeia Capital LLC200,000$1.99M0.06%+200,000New
Verition Fund Management LLC200,000$1.99M0.01%+200,000New
Wolverine Asset Management LLC173,730$1.73M0.03%+173,730New
Radcliffe Capital Management, L.P.160,000$1.60M0.10%+160,000New
Cable Car Capital LLC150,000$1.50M0.64%+150,000New
Polar Asset Management Partners Inc.150,000$1.50M0.03%+150,000New
Boothbay Fund Management, LLC137,500$1.37M0.04%+137,500New
Atw Spac Management LLC137,500$1.37M1.73%+137,500New
Crossingbridge Advisors, LLC125,000$1.25M0.64%+125,000New
Mangrove Partners125,000$1.25M0.10%+125,000New
StoneX Group Inc.122,200$1.22M0.05%+122,200New
Toronto Dominion Bank100,000$997.0K0.00%+100,000New
CSS LLC100,000$997.0K0.06%+100,000New
Mizuho Securities USA LLC75,000$748.1K0.02%+75,000New
Maso Capital Partners Ltd74,900$746.8K1.23%+74,900New
Yakira Capital Management, Inc.65,000$648.0K0.24%+65,000New
Berkley W R Corp64,486$642.9K0.04%+64,486New
Sandia Investment Management LP60,000$598.2K1.78%+60,000New
Quarry LP60,000$598.2K0.15%+60,000New
Heights Capital Management, Inc50,000$498.5K0.16%+50,000New
Warberg Asset Management LLC27,500$274.2K0.08%+27,500New
Virtu Financial LLC22,000$219.0K0.01%+22,000New
Susquehanna International Group, LLP16,800$167.5K0.00%+16,800New
JPMorgan Chase & Co12,000$119.6K0.00%+12,000New